Auxiliary device for core drilling detection

The embodiment of the utility model discloses an auxiliary device for core drilling detection. The auxiliary device comprises a reinforcement cage and a hollow pipe, the hollow pipes are arranged in the length direction of the reinforcement cage, the hollow pipes are fixedly connected to the inner side wall of the reinforcement cage, the distance between the bottoms of the hollow pipes and the bottom of the reinforcement cage is 0.5-1.5 m, the tops of the hollow pipes are flush with the top of the reinforcement cage or extend out of the top of the reinforcement cage, the tops of the hollow pipes are provided with top sealing plates, and the bottoms of the hollow pipes are provided with bottom sealing plates. According to the utility model, the phenomenon of drilling deviation can be effectively avoided, the detection success rate is 100%, the construction period cannot be delayed due to core drilling detection failure, the center of the hollow pipe is hollow, and only the top sealing plate at the top of the h